► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Why do huge external imbalances herald disaster? Martin Wolf, the FT's chief economics commentator, explains what happens when some countries spend much less than their incomes and so run big current account surpluses, while others do the opposite.<br /><br />► FT Comment: http://bit.ly/1ImtZ8r<br /><br />► FT World News: http://bit.ly/1Exp0iJ<br /><br />FT Comment<br />Click here for more FT Comment videos <br />http://video.ft.com/Ft-Comment<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
